Make it possible to stop tab switching, especially when time machine is activated

[sorawee]

https://github.com/codeforthailand/election-live/blob/2db1fb734d60dd667684e7094c6dceef8f61f27a/src/components/DesktopScoreBarContainer.js#L174

changes the tab every 10 seconds. This however makes a bad user experience if users want to focus on changes in a tab in the time machine mode.